[OpenLayers-Users] Help with some functions

[Lucho]

Hi list!

I'm noob in OpenLayers, but i want to know if anyone can help me to build
one scale combo for select an specific value of scale (1:2000, 1:5000,
1:10000 ...); also, I need a button or something that allow me to do zoom
to layer of my selected layer, and finally, I need the code for a button
that add markers on my map.

Any help is welcomed

Best regards

-- 
LUIS FERNANDO ORTIZ REYES
INGENIERO DE SISTEMAS
ESP. EN PROYECTOS INFORMÁTICOS
UNIVERSIDAD DISTRITAL
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